#576BCF#576BCF
#576BCF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 56.3% C 0.155 H 272.0°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).
Color values
| HEX | #576BCF |
|---|---|
| RGB | rgb(87, 107, 207) |
| HSL | hsl(230, 56%, 58%) |
| HSV | hsv(230, 58%, 81%) |
| CMYK | cmyk(58%, 48.3%, 0%, 18.8%) |
| CIE-LAB | lab(48.32, 22.37, -54.19) |
| CIE-LCH | lch(48.32, 58.63, 292.43°) |
| OKLab | oklab(56.28% 0.0055 -0.1548) |
| OKLCH | oklch(56.28% 0.155 272) |
| XYZ | xyz(20.4469, 17.0451, 61.2319) |
| Luminance | 0.1705 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Cornflower Blue
#5170D7
ΔE00 2.45
Royal Blue
#4169E1
ΔE00 3.31
Dark Periwinkle
#665FD1
ΔE00 5.50
French Blue
#436BAD
ΔE00 6.25
Azul
#1D5DEC
ΔE00 6.56
Bright Blue
#0165FC
ΔE00 6.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#576BCF #CFBB57
analogous
#57A7CF #576BCF #7F57CF
triadic
#576BCF #CF576B #6BCF57
tetradic
#576BCF #CF57A7 #CFBB57 #57CF7F
square
#576BCF #CF57A7 #CFBB57 #57CF7F
split-complementary
#576BCF #CF7F57 #A7CF57
monochromatic
#263685 #3449B5 #576BCF #8795DD #B6BFEA
Accessibility & contrast
On white
4.76
#576BCF on #FFFFFF
AA ✓AA large ✓AAA ✗
On black
4.41
#576BCF on #000000
AA ✗AA large ✓AAA ✗
Best text color
#FFFFFF on #576BCF
4.76:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##576BCF | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##576BCF | 1.00 | 4.76 | 4.41 | 4.76 |
| #FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
| #000000 | 4.41 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 4.76 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#3978D3
Deuteranopia (green-blind)
#266ECD
Tritanopia (blue-blind)
#008293
Achromatopsia (no color)
#737373
Design tokens & code
CSS
--color: #576bcf; /* rgb */ color: rgb(87, 107, 207); /* oklch */ color: oklch(56.3% 0.155 272.0);
Tailwind
colors: {
custom: {
50: '#9095de',
500: '#576bcf',
950: '#000000',
},
}SCSS
$custom: #576bcf; $custom-light: #9095de; $custom-dark: #000000;
JSON
{
"hex": "#576bcf",
"rgb": {
"r": 87,
"g": 107,
"b": 207
},
"hsl": {
"h": 230,
"s": 55.556,
"l": 57.647
},
"oklch": {
"l": 0.56284,
"c": 0.1549,
"h": 272
},
"luminance": 0.17047
}Semantic roles & 50–950 ramp
primary
#576BCF
secondary
#D9D1A9
accent
#C649DF
background
#F9F9FD
surface
#F2F1FB
border
#CCCBD4
text
#0D0D15
muted
#7E7E83